The recent login and sign-up issues have been successfully resolved by @DoomJoshuaBoy. Fresh logins are now working normally, so feel free to log in without any trouble! if you do run into trouble please let us know!
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A re-edit of Shazzo's Super Mugen Bros. Sonic (also known as "SMBZ" Sonic despite having nothing to do with SMBZ). Aside from new sprites and animations, he also has new moves and expanded combos.